CN213178506U - Turn over board actuating mechanism and lampblack absorber - Google Patents

Abstract

The utility model provides a turn over board actuating mechanism and lampblack absorber, turn over board actuating mechanism includes motor, link mechanism and gear reduction box, and the motor has the motor shaft, and link mechanism has the power end and is used for the link of articulated board that turns over, has a plurality of gear shafts that wear to be equipped with the gear in the gear reduction box, and a plurality of gear shafts divide into input shaft, middle transmission shaft and output shaft; the input shaft is fixedly connected with a motor rotating shaft; the output shaft is fixedly connected with the power end of the connecting rod mechanism; the motor rotating shaft, the input shaft, the middle transmission shaft and the output shaft are parallel to each other. The utility model discloses because motor shaft, input shaft, middle transmission axle and output shaft are parallel to each other, can not produce the auto-lock power, turn over the board and can drive the motor rotation under the exogenic action during the motor outage to can manually open and shut after the outage turn over the board, and can avoid the gear because of receiving the impact force too big disconnected tooth that causes.

Description

Turn over board actuating mechanism and lampblack absorber

Technical Field

The utility model relates to a domestic kitchen appliance technical field specifically, relates to a turn over board actuating mechanism and lampblack absorber.

Background

As is well known, with the development of society and the progress of science and technology, range hoods have become daily necessities for every family. The side-suction range hood mainly comprises a side-suction range hood body, and the side-suction range hood body generally has the following structure: including the cigarette machine main part, the front side surface of cigarette machine main part is provided with an air suction port, and the inside of cigarette machine main part is provided with the subassembly of breathing in, and the activity is provided with one in the cigarette machine main part simultaneously and opens or the board that turns over of shutoff induction port, turns over the board and is connected with drive assembly, and drive assembly is connected with driving motor, can drive the action of drive assembly when driving motor rotates, and then drive assembly drives and turns over the board and inwards rotate and open the induction port or outwards rotate the shutoff induction port.

The side-draught range hood is a range hood with an inner turning plate structure, the purpose of driving the turning plate to rotate can be achieved, however, the driving motor mostly adopts a worm gear motor, the worm gear motor has self-locking force (the worm can drive a worm wheel, but the worm wheel cannot drive the worm), the turning plate is driven by the motor to open and close during power on, and the turning plate cannot move during power off. In addition, during transportation, the vibration of the turnover plate may generate huge impact force on the motor gear, so that tooth breakage is caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art at least partially, the utility model discloses at first provide a turn over board actuating mechanism.

The utility model provides a turn over board actuating mechanism, including motor, link mechanism and gear reduction box, the motor has the motor shaft, link mechanism has power end and is used for the link of articulated turn over board, gear reduction box has a plurality of gear shafts that wear to be equipped with the gear, a plurality of gear shafts divide into input shaft, middle transmission shaft and output shaft; the input shaft is fixedly connected with the motor rotating shaft; the output shaft is fixedly connected with the power end of the connecting rod mechanism; the motor rotating shaft, the input shaft, the middle transmission shaft and the output shaft are parallel to each other.

Foretell turn over board actuating mechanism because motor shaft, input shaft, middle transmission axle and output shaft are parallel to each other, can not produce the self-locking power, turns over the board and can drive the motor rotation under the exogenic action when the motor outage to can manually open and shut after the outage turn over the board, and can avoid the gear because of receiving the impact force too big and cause disconnected tooth.

Exemplarily, the plate turnover driving mechanism further comprises an installation frame, the installation frame comprises a first side plate, a second side plate and a top plate, the first side plate and the second side plate are arranged oppositely, the top plate is connected between the first side plate and the second side plate to form a containing groove in a surrounding mode, and the gear reduction box and the motor are located in the containing groove. Because the gear reduction box and the motor are both positioned in the containing groove, the gear reduction box and the motor can be conveniently arranged, and the noise in the operation process can be reduced.

Exemplarily, the gear reduction box comprises a bottom shell and a cover plate, the bottom shell and the cover plate enclose to form an internal cavity, a part of the output shaft, the input shaft, the intermediate transmission shaft and the gear are arranged in the internal cavity, and the cover plate is fixed on the first side plate. Therefore, the gear and each shaft can be prevented from being corroded by dust and the like after being exposed for a long time, the service life is prolonged, and the noise in the operation process can be reduced.

Illustratively, the bottom shell is provided with a first connecting hole penetrating through the inside and the outside of the inner cavity, the cover plate is provided with a second connecting hole penetrating through the inside and the outside of the inner cavity, the first side plate is provided with a through hole corresponding to the second connecting hole, the motor rotating shaft penetrates through the first connecting hole and extends into the inner cavity, and the output shaft penetrates through the second connecting hole and the through hole and extends out of the accommodating groove. Therefore, not only can stable power transmission be ensured, but also the exposure of excessive transmission parts can be further avoided, and the noise in the operation process is reduced.

For example, a first mounting plate extends out of the accommodating groove from one end of the first side plate, which is far away from the top plate. Through the setting of first mounting panel, can conveniently install whole board actuating mechanism that turns over to the organism of lampblack absorber.

For example, a second mounting plate extends out of the accommodating groove towards one end of the second side plate, which is far away from the top plate. Through the setting of second mounting panel, can conveniently install whole board actuating mechanism that turns over to the organism of lampblack absorber.

Illustratively, the intermediate transfer shafts are at least two. Thus, the reduction ratio of the gear reduction box can be ensured.

Illustratively, the link mechanism includes a first link and a second link, the first link has a first end and a second end, the second link has a third end and a fourth end, the first end is the power end of the link mechanism, the fourth end is the connection end of the link mechanism, and the second end is hinged with the third end. Through the setting of first connecting rod and second connecting rod, can be smoothly with the power transmission of output shaft output to turning over the board to the upset of turning over the board is driven.

Illustratively, the first connecting rod is an L-shaped bent rod, and the second connecting rod is a straight rod. Therefore, the connection reliability of the turning plate can be improved, and the interference between the first connecting rod and the output shaft when the first connecting rod rotates along with the output shaft can be avoided.

According to the utility model discloses a still provide a range hood, include the organism and turn over the board, be provided with the induction port on the organism, it has the drive to turn over articulated on the board turn over the board upset in order to open or the shutoff actuating mechanism of induction port, actuating mechanism is foretell board actuating mechanism that turns over. Because the turning plate driving mechanism has the beneficial effects, the range hood provided with the turning plate driving mechanism also has the beneficial effects.

The advantages and features of the present invention are described in detail below with reference to the accompanying drawings.

Drawings

The following drawings of the present invention are used herein as part of the present invention for understanding the present invention. There are shown in the drawings, embodiments and descriptions thereof, which are used to explain the principles of the invention. In the drawings, there is shown in the drawings,

fig. 1a is a schematic structural view (seen from a direction) of a flap drive mechanism according to an exemplary embodiment of the present invention;

fig. 1b is a schematic structural view (viewed from another direction) of a flap drive mechanism according to an exemplary embodiment of the present invention;

FIG. 2 is an exploded view of the flap drive mechanism of FIG. 1a (with the mounting bracket removed);

fig. 3 is an internal structure view of a range hood according to an exemplary embodiment of the present invention.

Wherein the figures include the following reference numerals:

100-flap driving mechanism

110-electric machine

111-motor shaft

120-connecting rod mechanism

1201-Power end

1202-connecting end

121-first link

1211-first end

1212-second end

122-second connecting rod

1221-third terminal

1222 fourth end

130-gear reduction box

1311-input shaft

1312-intermediate transmission shaft

1313 output shaft

132-Gear

1301-bottom case

13011-first connection hole

1302-cover plate

13021-second connecting hole

1303-internal Cavity

140-mounting frame

141-first side plate

142-second side plate

143-Top plate

144-first mounting plate

145-second mounting plate

1401-container

200-body

300-turnover plate

Detailed Description

In the following description, numerous details are provided to provide a thorough understanding of the present invention. One skilled in the art, however, will understand that the following description illustrates only a preferred embodiment of the invention and that the invention may be practiced without one or more of these details. In addition, some technical features that are well known in the art are not described in detail in order to avoid obscuring the present invention.

The flap driving mechanism 100 is mainly used in a range hood to drive a flap to turn over to open or close an air suction port.

As shown in fig. 1a to 2, the flap driving mechanism 100 according to the embodiment of the present invention includes a motor 110, a link mechanism 120, and a gear reduction box 130. The motor 110 has a motor shaft 111, and the motor 110 is preferably a dc motor. The linkage 120 has a power end 1201 and a connection end 1202 for articulating the flap. The gear reduction box 130 is internally provided with a plurality of gear shafts with gears 132 penetrating through, the gears on two adjacent gear shafts are meshed with each other, and the plurality of gear shafts are divided into an input shaft 1311, an intermediate transmission shaft 1312 and an output shaft 1313 according to the functions of the gear shafts in the transmission process; the input shaft 1311 is fixedly connected with the motor rotating shaft 111 and used for inputting power; the output shaft 1313 is fixedly connected with the power end 1201 of the link mechanism and is used for outputting power to drive the link mechanism 120; the motor rotation shaft 111, the input shaft 1311, the intermediate transmission shaft 1312, and the output shaft 1313 are parallel to each other.

In the flap driving mechanism, the motor rotating shaft 111, the input shaft 1311, the middle transmission shaft 1312 and the output shaft 1313 are parallel to each other, so that no self-locking force is generated, and the flap can drive the motor 110 to rotate under the action of external force when the motor 110 is powered off, so that the flap can be manually opened and closed after the power is off, and the gear 132 can be prevented from being broken due to too large impact force.

As an exemplary embodiment, the flap driving mechanism 100 further includes a mounting bracket 140, and the mounting bracket 140 may be, for example, a sheet metal part. The mounting bracket 140 includes a first side plate 141, a second side plate 142, and a top plate 143, the first side plate 141 and the second side plate 142 are disposed opposite to each other, the top plate 143 is connected between the first side plate 141 and the second side plate 142 (for example, in the orientation shown in fig. 1a, the top plate 143 is connected between the upper end of the first side plate 141 and the upper end of the second side plate 142) to form an accommodating groove 1401, and the gear reduction box 130 and the motor 110 are located in the accommodating groove 1401. Because the gear reduction box 130 and the motor 110 are both positioned in the accommodating groove 1401, the gear reduction box 130 and the motor 110 can be conveniently arranged, and the noise in the operation process can be reduced.

Further, the gear reduction box 130 includes a bottom case 1301 and a cover plate 1302, the bottom case 1301 and the cover plate 1302 enclose to form an internal cavity 1303, a portion of the output shaft 1313, the input shaft 1311, the intermediate transmission shaft 1312 and the gear 132 are disposed in the internal cavity 1301, and the cover plate 1302 may be fixed to the first side plate 141 by a fastener such as a screw. Thus, only the portion of the output shaft 1313 connected to the link mechanism 120 protrudes out of the internal cavity 1301, and the rest of the speed reduction transmission members such as the input shaft 1311, the intermediate transmission shaft 1312, and the gear 132 are located in the internal cavity 1301, so that the gear 132 and the shafts are prevented from being corroded by dust and the like over a long period of time, the service life is prolonged, and noise during operation can be reduced.

In order to facilitate the connection between the gear reduction box 130 and the motor 110 and the link mechanism 120, the bottom case 1301 has a first connection hole 13011 penetrating through the inside and outside of the internal cavity 1301, the cover plate 1302 has a second connection hole 13021 penetrating through the inside and outside of the internal cavity 1301, the first side plate 141 has a through hole (not marked in the through hole figure) corresponding to the second connection hole 13021, the motor shaft 111 passes through the first connection hole 13011 and extends into the internal cavity 1301, and the output shaft 1313 passes through the second connection hole 13021 and the through hole and extends out of the receiving groove 1401. Therefore, not only can stable power transmission be ensured, but also the exposure of excessive transmission parts can be further avoided, and the noise in the operation process is reduced.

Referring to fig. 1a and 1b again, an end of the first side plate 141 away from the top plate 143 (in the orientation shown in fig. 1a, the end away from the top plate 143 is a lower end of the first side plate 141) extends out of the accommodating slot 1401 to form a first mounting plate 144. Referring to fig. 3, the first mounting plate 144 is disposed to facilitate the installation of the entire flap driving mechanism 100 on the body 200 of the range hood. A second mounting plate 145 extends from an end of the second side plate 142 away from the top plate 143 (in the orientation shown in fig. 1a, the end away from the top plate 143 is the lower end of the second side plate 142) to the outside 1401 of the receiving slot. Through the setting of second mounting panel 145, can conveniently install whole flap actuating mechanism 100 to the organism 200 of lampblack absorber.

In the embodiment of the present invention, the number of the middle transmission shafts 1312 is two, and in practical applications, the number of the middle transmission shafts 1312 may also be one, or more than two. Thus, the reduction ratio of the gear reduction box can be ensured. It will be appreciated that the number of intermediate transfer shafts 1312 is determined by the reduction ratio according to the actual reduction requirements.

Referring again to fig. 1b, the linkage mechanism 120 includes a first link 121 and a second link 122, the first link 121 has a first end 1211 and a second end 1212, the second link 122 has a third end 1221 and a fourth end 1222, the first end 1211 is the power end (i.e., the power end 1201) of the linkage mechanism 120, the fourth end 1222 is the connection end (i.e., the connection end 1202) of the linkage mechanism 120, and the second end 1212 is hinged to the third end 1221. Through the arrangement of the first connecting rod 121 and the second connecting rod 122, the power output by the output shaft 1313 can be smoothly transmitted to the turning plate so as to drive the turning plate to turn.

As an exemplary embodiment, the first link 121 is an "L" shaped bent bar, and the second link 122 is a straight bar. Therefore, the connection reliability of the turning plate can be improved, and the first connecting rod 121 can be prevented from interfering with the output shaft 1313 when rotating along with the output shaft 1313.

As shown in fig. 3, the range hood includes a body 200 and a turning plate 300, an air suction port (not shown in the drawing) is disposed on the body 200, a driving mechanism for driving the turning plate 300 to turn over to open or close the air suction port is hinged on the turning plate 300, the driving mechanism is the above-mentioned turning plate driving mechanism 100, and the first mounting plate 144 and the second mounting plate 145 are respectively fixed on the body 200 to mount the whole turning plate driving mechanism 100 on the body 200. Since the flap driving mechanism 100 has the above-mentioned advantages, the range hood provided with the flap driving mechanism 100 also has the above-mentioned advantages.

According to the utility model discloses a range hood, through turning over articulated board actuating mechanism 100 on turning over board 300, through turning over board 300 that board actuating mechanism 100 drive is connected and opening or closed induction port, can realize multiple cigarette passageway that advances. Moreover, the flap driving mechanism 100 does not generate self-locking force, the flap 300 can be manually opened and closed even if the motor 110 is powered off, and furthermore, the gear 132 can be prevented from being broken due to too large impact force.

Various structures which are present or may appear in the future can be adopted for other parts of the range hood, such as an air duct, an oil cup and the like. The present invention is not intended to be limited thereto. Accordingly, these components will not be described in detail herein.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "upper", "lower", etc. is usually based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe the spatial relationship of one or more components or features shown in the figures to other components or features. It is to be understood that the spatially relative terms are intended to encompass not only the orientation of the component as depicted in the figures, but also different orientations of the component in use or operation. For example, if an element in the drawings is turned over in its entirety, the articles "over" or "on" other elements or features will include the articles "under" or "beneath" the other elements or features. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". Further, these components or features may also be positioned at various other angles (e.g., rotated 90 degrees or other angles), all of which are intended to be encompassed herein.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, elements, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The present invention has been described in terms of the above embodiments, but it is to be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the invention to the described embodiments. Furthermore, it will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that many more modifications and variations are possible in light of the teaching of the present invention and are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a turn over board actuating mechanism, includes motor and link mechanism, the motor has motor shaft, link mechanism has the power end and is used for the articulated link that turns over the board, its characterized in that:

the flap driving mechanism also comprises a gear reduction box, a plurality of gear shafts with gears are arranged in the gear reduction box in a penetrating way, and the gear shafts are divided into an input shaft, an intermediate transmission shaft and an output shaft;

the input shaft is fixedly connected with the motor rotating shaft;

the output shaft is fixedly connected with the power end of the connecting rod mechanism;

the motor rotating shaft, the input shaft, the middle transmission shaft and the output shaft are parallel to each other.

2. The flap driving mechanism according to claim 1, further comprising a mounting bracket, wherein the mounting bracket comprises a first side plate, a second side plate and a top plate, the first side plate and the second side plate are arranged opposite to each other, the top plate is connected between the first side plate and the second side plate to form a containing groove in a surrounding manner, and the gear reduction box and the motor are located in the containing groove.

3. The flap drive mechanism according to claim 2, wherein the gear reduction box comprises a bottom shell and a cover plate, the bottom shell and the cover plate enclose to form an internal cavity, a portion of the output shaft, the input shaft, the intermediate transmission shaft and the gear are disposed in the internal cavity, and the cover plate is fixed on the first side plate.

4. The flap driving mechanism according to claim 3, wherein the bottom shell has a first connecting hole penetrating through the inside and outside of the internal cavity, the cover plate has a second connecting hole penetrating through the inside and outside of the internal cavity, the first side plate has a through hole corresponding to the second connecting hole, the motor shaft passes through the first connecting hole and extends into the internal cavity, and the output shaft passes through the second connecting hole and the through hole and extends outside the accommodating groove.

5. The flap drive mechanism according to claim 2, wherein a first mounting plate extends from an end of the first side plate away from the top plate towards the outside of the receiving slot.

6. The flap drive mechanism according to claim 2, wherein a second mounting plate extends from an end of the second side plate remote from the top plate towards the receiving slot.

7. Flap drive according to any of claims 1-6, characterized in that the intermediate transmission shafts are at least two.

8. The flap drive mechanism according to any one of claims 1-6, wherein the linkage mechanism comprises a first link and a second link, the first link having a first end and a second end, the second link having a third end and a fourth end, the first end being a power end of the linkage mechanism, the fourth end being a connection end of the linkage mechanism, the second end being hinged to the third end.

9. The flap drive mechanism according to claim 8, wherein the first link is an "L" shaped bent rod and the second link is a straight rod.

10. A range hood, including organism and flap, there are air intakes on the said organism, the said flap is articulated to have the driving mechanism that drives the said flap to turn over in order to open or seal the said air intake, characterized by that, the said driving mechanism is the flap driving mechanism of any claim 1-9.

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